H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication

Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125)
08/2004
08/24/2004	US6782168 Apparatus for and method of monitoring wavelength multiplexed signal light as well as optical transmission system using the same
08/24/2004	US6782159 Method for determining optimal location and value of dispersion compensation modules in an optical network
08/24/2004	US6782147 Optical phase shifting, splitting and combining device
08/24/2004	US6782048 Ultra-wideband communication through a wired network
08/24/2004	US6782017 Wavelength locker and wavelength discriminating apparatus
08/24/2004	US6781927 Data storage system having an optical processing flying head
08/24/2004	US6781758 Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
08/24/2004	US6781749 Interleaving combiner for a bidirectional wavelength-division multiplexing system
08/24/2004	US6781748 Long wavelength optical amplifier
08/24/2004	US6781747 Method for the amplification of wavelength division multiplex (WDM) signals in a WDM transmission system, as well as optical amplifier, optical amplifier system and WDM transmission system for it
08/24/2004	US6781727 Configuration for operating an optical transmission or reception module at high data rates of up to 10 Gbit/s
08/24/2004	US6781679 Identifying a polarization-mode dispersion event
08/24/2004	US6781108 Noise canceling photosensor-amplifier device
08/19/2004	WO2004070978A2 Laser power grid
08/19/2004	WO2004070976A1 Optical transmission system
08/19/2004	WO2004070975A1 Node device
08/19/2004	WO2004070974A1 Multipoint monitoring method, multipoint monitoring system and monitoring station unit
08/19/2004	WO2004070457A2 Multiport optical amplifier with narrowcast power equalization
08/19/2004	WO2004070442A1 Mode dispersion compensating method in multimode optical fiber transmission line
08/19/2004	WO2004070429A2 Periodic optical packet switching
08/19/2004	WO2004070342A1 Optical amplification relay method and optical amplification relay system
08/19/2004	WO2004070167A1 Method and system for the use of a distributed temperature system in a subsea well
08/19/2004	WO2004051889A3 Flash optical performance monitor
08/19/2004	WO2004025330A3 Optical cross connect apparatus and method
08/19/2004	WO2004019075A3 Optical transmission system employing erbium-doped optical amplifiers and raman amplifiers
08/19/2004	WO2004014006A3 A system and method for increasing bandwith efficiency and throughput of a data transmission network
08/19/2004	US20040162956 System and method for implementing a hidden address in a communication module
08/19/2004	US20040161250 Tunable optical local oscillator
08/19/2004	US20040161249 Optical transmitter
08/19/2004	US20040161248 Time-based adjustment of temperature control of laser to stabilize wavelengths
08/19/2004	US20040161247 Optical signal generating circuit and optical transmission line
08/19/2004	US20040161246 Data communication system, data transmitter and data receiver
08/19/2004	US20040161245 Synchronous amplitude modulation for improved performance of optical transmission systems
08/19/2004	US20040161244 Optical amplifying and relaying system
08/19/2004	US20040161243 Polarization-mode dispersion detecting method, and a dispersion compensation controlling apparatus and a dispersion compensation controlling method
08/19/2004	US20040161242 Method and apparatus for monitoring channel performance in dense wavelength division multiplexed (DWDM) optical networks
08/19/2004	US20040161241 Apparatus for compensating for dispersion and wavelength division multiplexing communications system using the apparatus
08/19/2004	US20040161240 Module having two bi-directional optical transceivers
08/19/2004	US20040161239 Adaptive optical system compensating for phase fluctuations
08/19/2004	US20040161238 System and method of providing infra-red signals over power lines
08/19/2004	US20040161236 System for integrating broadcasting and communication technologies while ensuring qualities of services
08/19/2004	US20040161234 Apparatus, method and program for controlling optical power
08/19/2004	US20040161233 Method and apparatus for in-channel OSNR estimation
08/19/2004	US20040161232 Protection switching architecture and method of use
08/19/2004	US20040161214 One-core two-way optical transmission system
08/19/2004	US20040161197 Adjustable chromatic dispersion compensator
08/19/2004	US20040161191 Optical amplifying and relaying system
08/19/2004	US20040161190 Pump energy source, method of providing pump energy to an optical transmission system, and optical transmission system
08/19/2004	US20040161189 Optical transmission system constructing method and system
08/19/2004	US20040161111 Optical out-of-band key distribution
08/19/2004	US20040161001 Calibration of a multi-channel optoelectronic module with integrated temperature control
08/19/2004	US20040160999 Unit for stabilizing wavelength of laser beams and module for stabilizing wavelength of optical signal in optical communication
08/19/2004	US20040160953 Method and system for creating and implementing zones within a fibre channel system
08/19/2004	US20040160665 Mach-zehnder interferometer type optical filter and control method thereof
08/19/2004	US20040160596 Apparatus and method to accurately monitor signal quality in optical signal transmission systems
08/19/2004	US20040160127 Internal power re-routing by reverse powering to overcome fault scenarios in submarine cable systems
08/19/2004	US20040159430 System for use in controlling a hydrocarbon production well
08/19/2004	DE10305171A1 Bidirectional optical transceiver module, has transmitting- and receiving-device mounted adjacent to one another on circuit board
08/19/2004	DE102004004875A1 Verfahren und System zur Überwachung einer Abschlußeinheit für ein optisches Netzwerk Method and system for monitoring a closing unit for an optical network
08/19/2004	CA2515154A1 Multiport optical amplifier with narrowcast power equalization
08/19/2004	CA2512373A1 Periodic optical packet switching
08/19/2004	CA2456260A1 Optical out-of-band key distribution
08/18/2004	EP1447930A2 System for integrating broadcasting and communication technologies while ensuring quality of services
08/18/2004	EP1447694A1 Optical via for transmission of signals through a printed circuit board
08/18/2004	EP1446900A1 Infrared (ir) transmission device
08/18/2004	EP1391061A4 Redundant optical device array
08/18/2004	EP1197015B1 Optical regenerator for high bit-rate otdm signals
08/18/2004	CN1522514A Method and system for communicating a clock signal over an optical link
08/18/2004	CN1521974A A temperature insensitive folding array wave-guide grating (AWG)
08/18/2004	CN1521662A Method and apparatus for realizing Ethernet passive optical network system dynamic filtration data base
08/18/2004	CN1521598A Interface module for transmitting digital video signal
08/18/2004	CN1521535A Apparatus and method for simultaneous channel and optical signal-to-noise ratio monitoring
08/18/2004	CN1163000C Optoelectronic converting module casing
08/18/2004	CN1162998C A Novel multifunctional light split/insersion multiplexer
08/18/2004	CN1162977C Carrier detecting circuit and infrared remote controlled receiver
08/18/2004	CN1162721C Adjustable chromatic dispersion compensator
08/18/2004	CA2455640A1 Protection switching architecture and method of use
08/17/2004	US6778785 Photoelectric conversion method, light receiving circuit, and optical communication system
08/17/2004	US6778784 Optical transmission device
08/17/2004	US6778783 Optical pulse transmission system, optical pulse transmitting method and optical pulse detecting method
08/17/2004	US6778782 Dispersion compensation
08/17/2004	US6778781 Health check algorithm for protection circuit in optical network
08/17/2004	US6778779 Full-duplex optical communication system
08/17/2004	US6778778 Arrangement and method for testing fiber optic telecommunications circuits over dense wavelength division multiplexing (DWDM)
08/17/2004	US6778731 Control method of received power in optical communication, optical transmission apparatus, optical receiving apparatus, and optical communication system
08/17/2004	US6778730 Optical signal processing device
08/17/2004	US6778725 Optical switching apparatus, optical transmission system and method of setting up for optical signal route
08/17/2004	US6778721 WDM switch using OADM and control method thereof
08/17/2004	US6778719 Optical device for wavelength interleaving or dissociation and optical switch
08/17/2004	US6778567 Optical transmitter
08/17/2004	US6778550 Method and apparatus for TDM/TDMA communications
08/17/2004	US6778322 Four-wave mixing suppression in Raman amplifiers
08/17/2004	US6778321 Fiber optic transmission system for a metropolitan area network
08/17/2004	US6778320 Composite optical amplifier
08/17/2004	US6778318 Optical-to-wireless WDM converter
08/17/2004	US6778314 Phase modulator and phase modulating method
08/17/2004	US6778310 Method and system for generating narrow optical pulses
08/17/2004	US6777891 Methods and apparatus for controlling devices in a networked lighting system
08/17/2004	US6776536 Integrated optical system monitoring system
08/17/2004	US6776493 Tunable optical dispersion compensator

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